CN101459282B - The communicator of unipole antenna and application thereof - Google Patents
The communicator of unipole antenna and application thereof Download PDFInfo
- Publication number
- CN101459282B CN101459282B CN200710197174.1A CN200710197174A CN101459282B CN 101459282 B CN101459282 B CN 101459282B CN 200710197174 A CN200710197174 A CN 200710197174A CN 101459282 B CN101459282 B CN 101459282B
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- radiant body
- unipole antenna
- strip parts
- antenna
- extended
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Abstract
A communicator for unipole antenna and application thereof, wherein communicator comprises a circuit board and above-mentioned unipole antenna.This unipole antenna comprises a feeding portion, a junction, one first radiant body and one second radiant body, feeding portion be electrically connected to circuit board and with circuit plate holder one acute angle, connecting portion is extended by feeding portion and haply perpendicular to circuit board, first radiant body is extended by connecting portion, and the second radiant body is also extended by connecting portion.
Description
Technical field
The present invention about the communicator of a kind of unipole antenna and application thereof, particularly about the mobile communications device of the three-dimensional unipole antenna of a kind of microminiaturization and application thereof.
Background technology
Concealed antenna more popular and be applied in mobile communications device (such as mobile phone) widely, and concealed antenna at least includes planar inverted F-shape antenna (PlannerInvertedFAntenna, PIFA) and unipole antenna (MonopoleAntenna) two kinds of patterns at present.
Planar inverted F-shape antenna (PIFA) is arranged in a mobile communication device, must to be separated by a set vertical range with circuit board, and between planar inverted F-shape antenna and circuit board, other electronic components can not be set, but due to the volume of mobile communications device usually very little, related meeting is restricted to the volume of antenna and aforesaid vertical range, and planar inverted F-shape antenna is all significantly affected in the usefulness of each side such as frequency range, radiation efficiency and gain.
Unipole antenna and planar inverted F-shape antenna similar, it must to be separated by a set distance with circuit board in a mobile communication device, only this both set a distance be the distance of horizontal direction.In addition, between unipole antenna and circuit board, other electronic components can not be set equally, one headroom district (ClearanceZone) that is must be set between unipole antenna and circuit board, and electronic component can not be set in this headroom district, to avoid causing bad impact to unipole antenna.As a rule, the headroom district required for unipole antenna is at least at more than 15mm, and this is for the narrow and small inner space of mobile communications device, and it occupies sizable space length.
Summary of the invention
In view of this, the invention provides a kind of unipole antenna, only need the headroom district of 6.8mm, be little far beyond the headroom district needed for traditional monopole antenna, and save additional space, then can arrange the electronic component that other are set, or further can reduce the volume of mobile communications device.
Unipole antenna of the present invention comprises a feeding portion, a junction, one first radiant body and one second radiant body, wherein feeding portion and plane holder one acute angle, connecting portion is extended by feeding portion, and haply perpendicular to above-mentioned plane, first radiant body is extended by connecting portion, and the second radiant body is also extended by connecting portion.
In a wherein embodiment of the present invention, above-mentioned acute angle is approximately 30 °.
In another embodiment of the invention, the second radiant body comprises one first strip parts, and this first strip parts is parallel to the first radiant body haply.
In another embodiment of the present invention, the about 1mm of the first strip parts of first radiant body distance the second radiant body.
In another embodiment of the present invention, the first radiant body is wide compared with the first strip parts of the second radiant body.
In another embodiment of the present invention, the width of the first radiant body is approximately 2mm.
In another embodiment of the present invention, the width of the first strip parts of the second radiant body is approximately 0.8mm.
In another embodiment of the present invention, the second radiant body also comprises one second strip parts, is extended towards feeding portion by the first strip parts.
In another embodiment of the present invention, the second strip parts of the second radiant body is parallel to the first radiant body haply.
In another embodiment of the present invention, the material of unipole antenna is phosphor bronze.
The present invention provides a kind of communicator simultaneously, it comprises a circuit board and a unipole antenna, wherein unipole antenna comprises a feeding portion, a junction, one first radiant body and one second radiant body, feeding portion be electrically connected to circuit board and with circuit plate holder one acute angle, connecting portion is extended by feeding portion and haply perpendicular to circuit board, first radiant body is extended by connecting portion, and the second radiant body is also extended by connecting portion.
In another embodiment of the present invention, above-mentioned acute angle is approximately 30 °.
In another embodiment of the present invention, the second radiant body comprises one first strip parts, and the first strip parts is parallel to the first radiant body haply.
In another embodiment of the present invention, the about 1mm of the first strip parts of first radiant body distance the second radiant body.
In another embodiment of the present invention, the first radiant body is wide compared with the first strip parts of the second radiant body.
In another embodiment of the present invention, the width of the first radiant body is approximately 2mm.
In another embodiment of the present invention, the width of the first strip parts of the second radiant body is approximately 0.8mm.
In another embodiment of the present invention, the second radiant body also comprises one second strip parts, is extended towards feeding portion by the first strip parts.
In another embodiment of the present invention, the second strip parts of the second radiant body is parallel to the first radiant body haply.
In another embodiment of the present invention, this communicator also comprises an antenna pedestal, and unipole antenna is fixed on antenna pedestal.
In another embodiment of the present invention, the material of antenna pedestal is plastics.
In another embodiment of the present invention, unipole antenna is fixed on antenna pedestal with ultrasonic wave hot melting way.
In another embodiment of the present invention, unipole antenna is arranged on the bottom of communicator.
In another embodiment of the present invention, circuit board range communication device is about 6.8mm wherein.
In another embodiment of the present invention, this communicator also comprises a screw, is fixed on circuit boards by the feeding portion of unipole antenna.
In another embodiment of the present invention, the material of unipole antenna is phosphor bronze.
The operation frequency range of above-mentioned unipole antenna can contain 824-894MHz, 880-960MHz, 1710-1880MHz and 1850-1990MHz tetra-frequency ranges, find after experiment, this unipole antenna only needs the headroom district of 6.8mm, it is little far beyond the headroom district needed for traditional monopole antenna, and save additional space, then can arrange the electronic component that other are set, or further can reduce the volume of mobile communications device.
In addition, above-mentioned unipole antenna can utilize phosphor bronze to make for material, its stability of characteristics and with low cost, through ultrasonic heat blow on plastic antennas seat, effectively can reduce the complexity on integrated model.
In addition, the feeding portion of above-mentioned unipole antenna can utilize screw to be directly locked on circuit board, and assembling is quick, simple and stability is high, even if mobile communications device drops accidentally strike ground, unipole antenna also not easily gets loose from circuit board.
In addition, above-mentioned unipole antenna can be arranged on the bottom of mobile communications device, makes it away from call receiver (Receiver), significantly can reduce the absorptivity (SpecificAbsorptionRate, SAR) of human body to emittance.
For making above-mentioned purpose of the present invention, feature and advantage become apparent, special embodiment below also coordinates institute's accompanying drawing to elaborate.
Accompanying drawing explanation
Fig. 1 is the back side showing a mobile communications device according to the present invention;
Fig. 2 is the three-dimensional exploded view of the mobile communications device of Fig. 1;
Fig. 3 A is the plane graph being observed unipole antenna by the x direction of Fig. 2;
Fig. 3 B is the plane graph being observed unipole antenna by the y direction of Fig. 2;
Fig. 3 C is the plane graph being observed unipole antenna by the z direction of Fig. 2.
Main element symbol description
20 ~ mobile communications device, 22 ~ circuit board
24 ~ antenna pedestal, 26 ~ unipole antenna
28 ~ screw, 202 ~ base
206 ~ headroom district, 221 ~ electronic component
223 ~ electronic component, 261 ~ feeding portion
262 ~ connecting portion 263 ~ the first radiant body
264 ~ the second radiant body 2642 ~ the first strip parts
2644 ~ the second strip parts D1 ~ distance
D2 ~ distance W1 ~ width
W2 ~ width θ
1~ angle
Embodiment
Please refer to Fig. 1 and Fig. 2, mobile communications device 20 (such as mobile phone) comprises circuit board 22, unipole antenna 26 and an antenna pedestal 24.Wherein, circuit board 22 is provided with multiple electronic component 221 and 223, and the distance on circuit board 22 base 202 of (y direction) upper and communicator 20 is in the horizontal direction D1, so form a headroom district 206, for arranging antenna pedestal 24 between the base 202 of circuit board 22 and communicator 20.In the present embodiment, unipole antenna 26 with phosphor bronze (PhosphorBronze) for material, antenna pedestal 24 is made by plastics, and unipole antenna 26 is utilize the mode of ultrasonic wave hot melt (UltrasonicHeatStaking) to be fixed on antenna pedestal 24.
Unipole antenna 26 comprises a feeding portion 261, a junction 262 is extended by feeding portion 261, one first radiant body 263 is extended by connecting portion 262 and one second radiant body 264 is extended by connecting portion 262 equally, and details are as follows at each position of above unipole antenna 26:
The feeding portion 261 of unipole antenna 26 is electrically connected to the load point (not shown) of circuit board 22, and utilizes screw 28 to be locked.Refer to Fig. 3 A, circuit board 22 roughly can be regarded as being positioned at (dotted line signifier) on a horizontal plane, and has an angle theta between the horizontal plane at the feeding portion 261 of unipole antenna 26 and circuit board 22 place
1, in the present embodiment, this angle theta
1being approximately 30 °, is an acute angle.
Referring again to Fig. 2, connecting portion 262 connects feeding portion 261, first radiant body 263 and the second radiant body 264 simultaneously, and notably the bearing of trend of connecting portion 262 is haply perpendicular to circuit board 22.
First radiant body 263, for the treatment of the high-frequency signal of 1710-1880MHz and 1850-1990MHz, refers to Fig. 3 B, and in the present embodiment, the width of the first radiant body 263 is approximately 2mm.
Second radiant body 264 comparatively the first radiant body 263 is length, for the treatment of the low frequency signal of 824-894MHz and 880-960MHz, second radiant body 264 comprises one first strip parts 2642 and one second strip parts 2644, wherein the first strip parts 2642 is extended by connecting portion 262 and is parallel to the first radiant body 263 haply, second strip parts 2644 is extended towards feeding portion 261 by the first strip parts 2642, as shown in Figure 3 C, the spacing D2 of the first strip parts 2642 of the first radiant body 263 and the second radiant body 264 is very little, radiation efficiency is promoted to produce coupling effect, in the present embodiment, this distance D2 is approximately 1mm.In addition, the width W 1 of the first radiant body 263 is greater than the width W 2 of the first strip parts 2642 of the second radiant body 264, and in the present embodiment, the width W 1 of the first radiant body 263 is approximately 2mm, and the width W 2 of the first strip parts 2642 is approximately 0.8mm.
The invention provides the three-dimensional unipole antenna of a kind of microminiaturization, its operation frequency range can contain 824-894MHz, 880-960MHz, 1710-1880MHz and 1850-1990MHz tetra-frequency ranges, find after experiment, this unipole antenna only needs the headroom district of 6.8mm, be little far beyond the headroom district needed for traditional monopole antenna, and save additional space, then can arrange the electronic component that other are set, or further can reduce the volume of mobile communications device.
In addition, unipole antenna of the present invention can utilize phosphor bronze to make for material, its stability of characteristics and with low cost, through ultrasonic heat blow on plastic antennas seat 24, effectively can reduce the complexity on integrated model.
In addition, the feeding portion 261 of unipole antenna 26 of the present invention can utilize screw 28 to be directly locked on circuit board 22, assembling is quick, simple and stability is high, even if mobile communications device 20 drops accidentally strike ground, unipole antenna 26 also not easily gets loose from circuit board 22.
In addition, unipole antenna 26 of the present invention can be arranged on the bottom of mobile communications device 20, make it away from call receiver (Receiver), significantly can reduce the absorptivity (SpecificAbsorptionRate, SAR) of human body to emittance.
Although the present invention with preferred embodiment openly as above; so itself and be not used to limit the present invention; have in its art any and usually know the knowledgeable; without departing from the spirit and scope of the present invention; when doing arbitrary change and retouching, therefore protection scope of the present invention is when being as the criterion depending on those as defined in claim.
Claims (10)
1. a unipole antenna, comprising:
One feeding portion, and between a horizontal plane, there is an acute angle;
A junction, is extended by this feeding portion, and haply perpendicular to this horizontal plane;
One first radiant body, is extended by this connecting portion;
One second radiant body, is extended by this connecting portion.
2. unipole antenna according to claim 1, wherein, this second radiant body comprises one first strip parts, and wherein this first strip parts is parallel to this first radiant body haply, and this first radiant body comparatively this first strip parts be wide.
3. unipole antenna according to claim 2, wherein, this second radiant body also comprises one second strip parts, is extended towards this feeding portion by this first strip parts, and is parallel to this first radiant body haply.
4. unipole antenna according to claim 1, wherein, the material of this unipole antenna is phosphor bronze.
5. a communicator, comprising:
One circuit board;
One unipole antenna, comprise a feeding portion, a junction, one first radiant body and one second radiant body, wherein this feeding portion be electrically connected at this circuit board and and this circuit board between there is an acute angle, this connecting portion is extended by this feeding portion and haply perpendicular to this circuit board, this first radiant body is extended by this connecting portion, and this second radiant body is also extended by this connecting portion.
6. communicator according to claim 5, wherein, this second radiant body comprises one first strip parts, and wherein this first strip parts is parallel to this first radiant body haply, and this first radiant body comparatively this first strip parts be wide.
7. communicator according to claim 6, wherein, this second radiant body also comprises one second strip parts, is extended towards this feeding portion by this first strip parts, and is parallel to this first radiant body haply.
8. communicator according to claim 5, it also comprises an antenna pedestal, and wherein this unipole antenna is fixed on this antenna pedestal.
9. communicator according to claim 8, wherein, this unipole antenna is fixed on this antenna pedestal with ultrasonic wave hot melting way.
10. communicator according to claim 5, it also comprises a screw, in order to be fixed on the board by the feeding portion of this unipole antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710197174.1A CN101459282B (en) | 2007-12-10 | 2007-12-10 | The communicator of unipole antenna and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710197174.1A CN101459282B (en) | 2007-12-10 | 2007-12-10 | The communicator of unipole antenna and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101459282A CN101459282A (en) | 2009-06-17 |
| CN101459282B true CN101459282B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710197174.1A Expired - Fee Related CN101459282B (en) | 2007-12-10 | 2007-12-10 | The communicator of unipole antenna and application thereof |
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| Country | Link |
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| CN (1) | CN101459282B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241811A (en) * | 2013-06-17 | 2014-12-24 | 联想(北京)有限公司 | Built-in antenna and method used for forming built-in antenna |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1627562A (en) * | 2003-12-09 | 2005-06-15 | 国际商业机器公司 | Apparatus and methods for constructing antennas using vias as radiating elements formed in a substrate |
| CN1720639A (en) * | 2002-12-22 | 2006-01-11 | 碎云股份有限公司 | Multi-band monopole antenna for a mobile communications device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2517123Y (en) * | 2001-12-12 | 2002-10-16 | 富士康(昆山)电脑接插件有限公司 | Antenna |
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2007
- 2007-12-10 CN CN200710197174.1A patent/CN101459282B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1720639A (en) * | 2002-12-22 | 2006-01-11 | 碎云股份有限公司 | Multi-band monopole antenna for a mobile communications device |
| CN1627562A (en) * | 2003-12-09 | 2005-06-15 | 国际商业机器公司 | Apparatus and methods for constructing antennas using vias as radiating elements formed in a substrate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101459282A (en) | 2009-06-17 |
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| CF01 | Termination of patent right due to non-payment of annual fee |